この黒板は黒でなく緑だ。

この黒板は黒でなく緑だ。

This blackboard is not black, but green.

この黒板(こくばん)は黒(くろ)でなく緑(みどり)だ。

Kono kokuban wa kuro denaku midori da.

此の (この)

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

黒板 (こくばん)

blackboard

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

黒 (くろ)

black; black go stone; guilt; guilty person

だ (だ)

be; is; indicates past or completed action; indicates light imperative

緑 (みどり)

green; greenery (esp. fresh verdure)

Readings: コク、くろ、くろ.ずむ、くろ.い

Meaning: black

Readings: ハン、バン、いた

Meanings: plank, board, plate, stage

Readings: リョク、ロク、みどり

Meaning: green